lkml.org 
[lkml]   [2014]   [Feb]   [12]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: Too many rescheduling interrupts (still!)
On Wed, Feb 12, 2014 at 06:46:39PM +0100, Frederic Weisbecker wrote:
> Ok but if the target is idle, dynticks and not polling, we don't have the choice
> but to send an IPI, right? I'm talking about this kind of case.

Yes; but Andy doesn't seem concerned with such hardware (!x86).

Anything x86 (except ancient stuff) is effectively polling and wakes up
from the TIF_NEED_RESCHED write.



\
 
 \ /
  Last update: 2014-02-12 21:21    [W:0.174 / U:0.012 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site